this derivation will be built:
  /nix/store/84gwa2snz1y9qmhi05mhys45p8qkd4ic-treefmt-check.drv
building '/nix/store/84gwa2snz1y9qmhi05mhys45p8qkd4ic-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/84gwa2snz1y9qmhi05mhys45p8qkd4ic-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 1.628s

post-build step Upload to niks3: ok
time=2026-08-19T18:21:01.686Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-19T18:21:02.158Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T18:21:02.526Z level=INFO msg="Upload complete. (1.096s)"